PostgreSQL Source Code git master
Macros | Typedefs | Functions | Variables
ltree_plpython.c File Reference
#include "postgres.h"
#include "fmgr.h"
#include "ltree/ltree.h"
#include "plpy_util.h"
Include dependency graph for ltree_plpython.c:

Go to the source code of this file.

Macros

#define  PLyUnicode_FromStringAndSize   PLyUnicode_FromStringAndSize_p
 

Typedefs

typedef PyObject *(*  PLyUnicode_FromStringAndSize_t) (const char *s, Py_ssize_t size)
 

Functions

  PG_MODULE_MAGIC_EXT (.name="ltree_plpython",.version=PG_VERSION)
 
void  _PG_init (void)
 
  PG_FUNCTION_INFO_V1 (ltree_to_plpython)
 
Datum  ltree_to_plpython (PG_FUNCTION_ARGS)
 

Variables

static PLyUnicode_FromStringAndSize_t  PLyUnicode_FromStringAndSize_p
 

Macro Definition Documentation

◆ PLyUnicode_FromStringAndSize

#define PLyUnicode_FromStringAndSize   PLyUnicode_FromStringAndSize_p

Definition at line 32 of file ltree_plpython.c.

Typedef Documentation

◆ PLyUnicode_FromStringAndSize_t

typedef PyObject *(* PLyUnicode_FromStringAndSize_t) (const char *s, Py_ssize_t size)

Definition at line 13 of file ltree_plpython.c.

Function Documentation

◆ _PG_init()

void _PG_init ( void  )

Definition at line 21 of file ltree_plpython.c.

22{
23 /* Asserts verify that typedefs above match original declarations */
26 load_external_function("$libdir/" PLPYTHON_LIBNAME, "PLyUnicode_FromStringAndSize",
27 true, NULL);
28}
#define AssertVariableIsOfType(varname, typename)
Definition: c.h:980
void * load_external_function(const char *filename, const char *funcname, bool signalNotFound, void **filehandle)
Definition: dfmgr.c:95
#define PLyUnicode_FromStringAndSize
Definition: ltree_plpython.c:32
PyObject *(* PLyUnicode_FromStringAndSize_t)(const char *s, Py_ssize_t size)
Definition: ltree_plpython.c:13
static PLyUnicode_FromStringAndSize_t PLyUnicode_FromStringAndSize_p
Definition: ltree_plpython.c:14

References AssertVariableIsOfType, load_external_function(), PLyUnicode_FromStringAndSize, and PLyUnicode_FromStringAndSize_p.

◆ ltree_to_plpython()

Datum ltree_to_plpython ( PG_FUNCTION_ARGS  )

Definition at line 38 of file ltree_plpython.c.

39{
40 ltree *in = PG_GETARG_LTREE_P(0);
41 int i;
42 PyObject *list;
43 ltree_level *curlevel;
44
45 list = PyList_New(in->numlevel);
46 if (!list)
48 (errcode(ERRCODE_OUT_OF_MEMORY),
49 errmsg("out of memory")));
50
51 curlevel = LTREE_FIRST(in);
52 for (i = 0; i < in->numlevel; i++)
53 {
54 PyList_SetItem(list, i, PLyUnicode_FromStringAndSize(curlevel->name, curlevel->len));
55 curlevel = LEVEL_NEXT(curlevel);
56 }
57
58 PG_FREE_IF_COPY(in, 0);
59
60 return PointerGetDatum(list);
61}
int errcode(int sqlerrcode)
Definition: elog.c:854
int errmsg(const char *fmt,...)
Definition: elog.c:1071
#define ERROR
Definition: elog.h:39
#define ereport(elevel,...)
Definition: elog.h:150
#define PG_FREE_IF_COPY(ptr, n)
Definition: fmgr.h:260
i
int i
Definition: isn.c:77
#define LTREE_FIRST(x)
Definition: ltree.h:51
#define LEVEL_NEXT(x)
Definition: ltree.h:40
#define PG_GETARG_LTREE_P(n)
Definition: ltree.h:218
static Datum PointerGetDatum(const void *X)
Definition: postgres.h:332
Definition: ltree.h:34
char name[FLEXIBLE_ARRAY_MEMBER]
Definition: ltree.h:36
uint16 len
Definition: ltree.h:35
Definition: ltree.h:43
uint16 numlevel
Definition: ltree.h:45

References ereport, errcode(), errmsg(), ERROR, i, ltree_level::len, LEVEL_NEXT, sort-test::list, LTREE_FIRST, ltree_level::name, ltree::numlevel, PG_FREE_IF_COPY, PG_GETARG_LTREE_P, PLyUnicode_FromStringAndSize, and PointerGetDatum().

◆ PG_FUNCTION_INFO_V1()

PG_FUNCTION_INFO_V1 ( ltree_to_plpython  )

◆ PG_MODULE_MAGIC_EXT()

PG_MODULE_MAGIC_EXT ( .  name = "ltree_plpython",
.  version = PG_VERSION 
)

Variable Documentation

◆ PLyUnicode_FromStringAndSize_p

PLyUnicode_FromStringAndSize_t PLyUnicode_FromStringAndSize_p
static

Definition at line 14 of file ltree_plpython.c.

Referenced by _PG_init().

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